FAN53526UC224X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53526UC224X is a digitally programmable synchronous step-down (buck) switching regulator manufactured by onsemi. It operates with an input voltage range of 2.5 V to 5.5 V and delivers a maximum output current of 3 A. The device features a fixed switching frequency of 2.4 MHz and provides an adjustable output voltage between 600 mV and 1.3938 V. It incorporates a shutdown function and maintains a quiescent current of 50 uA. The component is housed in a 15-pin WLCSP package and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Digitally programmable output voltage control via internal registers
• Synchronous buck topology for high efficiency at light and heavy loads
• Integrated shutdown capability for power management optimization

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring compact power solutions
• Battery-powered devices needing efficient voltage regulation
• Embedded systems utilizing low-profile power management ICs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix UC224X against official datasheets, as variations may exist. Confirm RoHS compliance status through manufacturer documentation. Check for end-of-life notices or obsolescence warnings prior to procurement. Ensure compatibility with existing PCB footprint designs for the 15-WLCSP package. Validate supply chain authenticity through authorized distributors.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a small form factor is critical due to its WLCSP packaging. Choose this regulator for applications requiring precise digital voltage adjustment rather than external resistor networks. Consider the 2.4 MHz switching frequency for balancing component size and noise performance. Evaluate the 3 A output current capability against peak load requirements. Assess thermal management needs based on the operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TinyBuck series from onsemi, designed for space-constrained portable applications. It complements other regulators in the family by offering digital programmability. The series targets mobile phones, tablets, and handheld devices where board real estate is limited.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official cross-reference lists for verified substitutes. Verify pinout compatibility before replacing with similar WLCSP regulators. Ensure equivalent electrical specifications match system requirements.